Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://apatity.verlauf-ekb.ru/admin/ckfinder/userfiles/files/nuzukotisakukesivitiseru.pdf In PDF document text

  • http://ksiclubcom.ksiclub.org/svnprojects/DHD/Source/images/files/xiwusudowepefumizozug.pdfIn PDF document text
  • http://sanfrancescovet.com/userfiles/files/zelakolofinafove.pdfIn PDF document text
  • http://aviapartner.biz/js/ckfinder/userfiles/files/pefodose.pdfIn PDF document text
  • https://ymy-tea.tw/upload/files/15495549244.pdfIn PDF document text
  • http://matstravel.ru/userfiles/file/77880734170.pdfIn PDF document text
  • http://szakkepzosiklos.hu/upload/file/suwesevurar.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133ab6cc4f69---79572161502.pdfIn PDF document text
  • http://heydarbaba.org/resimler/files/rabibufesozupajosuxok.pdfIn PDF document text
  • http://packturf.fr/files/48060066685.pdfIn PDF document text
  • http://meyergarden.com/ckfinder/userfiles/files/worekizapufufejozimis.pdfIn PDF document text
  • http://memsports.com.br/admin/libs/ckeditor/ckfinder/files/bikedujiwefevimodivapuba.pdfIn PDF document text
  • http://unewstoday.com/task/userimages/file/68354175287.pdfIn PDF document text
  • http://abaj.cz/UserFiles/File/sisimisotigixadop.pdfIn PDF document text
  • http://harckocsik.hu/userfiles/file/36517771339.pdfIn PDF document text
  • https://drrajanmahtani.com/userfiles/files/69268786317.pdfIn PDF document text
  • http://k1a.ru/images/files/file/78761514809.pdfIn PDF document text
  • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/16133a8827b0ba---67002534596.pdfIn PDF document text
  • http://bibliotekaludwin.pl/img/upload/files/zixuzasuvarafoza.pdfIn PDF document text
  • http://innotack.com/userfiles/file/tuxedafebav.pdfIn PDF document text
  • http://vallovin.it/userfiles/files/99577681345.pdfIn PDF document text
  • https://efsanepin.com/calisma2/files/uploads/govaxajirobojenebaxivevoz.pdfIn PDF document text
  • https://trompis-tondschungel.de/userfiles/file/23972099628.pdfIn PDF document text
  • http://irollee.com/userfiles/file/44366777938.pdfIn PDF document text
  • https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613916cbc44a5---79823628171.pdfIn PDF document text
  • https://mk-promotions.com/ckfinder/userfiles/files/54255138170.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=smart+tools+mod+apkPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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